Pith Number

pith:H7CYFT4C

pith:2021:H7CYFT4C36TUSNSDP4HPQVYLX3

not attested not anchored not stored refs pending

The DESI Sky Continuum Monitor System

Claire Poppett, Daniel Pappalardo, David Brooks, David Kirkby, David Schlegel, Enrique Gastanaga, Francisco Prada, Gregory Tarle, Jonathan Shover, Julien Guy, Kai Zhang, Kevin Fanning, Klaus Honscheid, Martin Landriau, Michael Lampton, Michael Levi, Patrick Jelinsky, Paul Martini, Peter Doel, Robert Besuner, Robert Kehoe, Suk Sien Tie, Yutong Duan

arxiv:2101.11736 v1 · 2021-01-27 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H7CYFT4C36TUSNSDP4HPQVYLX3}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T02:10:30.287133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fc582cf82dfa74936437f0ef8570bbece2922782afe1c3ac8e17aa2222d1ddf

Aliases

arxiv: 2101.11736 · arxiv_version: 2101.11736v1 · doi: 10.48550/arxiv.2101.11736 · pith_short_12: H7CYFT4C36TU · pith_short_16: H7CYFT4C36TUSNSD · pith_short_8: H7CYFT4C

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/H7CYFT4C36TUSNSDP4HPQVYLX3 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 3fc582cf82dfa74936437f0ef8570bbece2922782afe1c3ac8e17aa2222d1ddf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "514d51321075b54c03319a495ca29ce6cb8d7ee625fd1a4224d063ea9d4a5596",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-01-27T22:55:10Z",
    "title_canon_sha256": "010a7c64b1853821fff3f5a3d27bd51fd8cbdd6e0e2defdc76888d0ae9d92819"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.11736",
    "kind": "arxiv",
    "version": 1
  }
}